We have spent a lot of time lately making crystals using more or less common household items. We made sugar crystals that are still growing, borax crystals that sprung up in a jiffy, salt and vinegar that grew much slower, although not as slow as the alum ones, the Epsom salt crystals are still evaporating. It has been a fun project to see and explore and we now have quite the collection of crystals on display. They are fragile however, so maybe they will not last long enough to collect too much dust....
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